11978475040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{21433}}^1$

素因数の和:21954

約数の個数: 96

約数和(自身を含む): 32408208000

約数和(自身を除く): 20429732960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 499, 560, 998, 1120, 1996, 2495, 3493, 3992, 4990, 6986, 7984, 9980, 13972, 15968, 17465, 19960, 21433, 27944, 34930, 39920, 42866, 55888, 69860, 79840, 85732, 107165, 111776, 139720, 150031, 171464, 214330, 279440, 300062, 342928, 428660, 558880, 600124, 685856, 750155, 857320, 1200248, 1500310, 1714640, 2400496, 3000620, 3429280, 4800992, 6001240, 10695067, 12002480, 21390134, 24004960, 42780268, 53475335, 74865469, 85560536, 106950670, 149730938, 171121072, 213901340, 299461876, 342242144, 374327345, 427802680, 598923752, 748654690, 855605360, 1197847504, 1497309380, 1711210720, 2395695008, 2994618760, 5989237520, 11978475040]

約数ペア:

[(1, 11978475040), (2, 5989237520), (4, 2994618760), (5, 2395695008), (7, 1711210720), (8, 1497309380), (10, 1197847504), (14, 855605360), (16, 748654690), (20, 598923752), (28, 427802680), (32, 374327345), (35, 342242144), (40, 299461876), (56, 213901340), (70, 171121072), (80, 149730938), (112, 106950670), (140, 85560536), (160, 74865469), (224, 53475335), (280, 42780268), (499, 24004960), (560, 21390134), (998, 12002480), (1120, 10695067), (1996, 6001240), (2495, 4800992), (3493, 3429280), (3992, 3000620), (4990, 2400496), (6986, 1714640), (7984, 1500310), (9980, 1200248), (13972, 857320), (15968, 750155), (17465, 685856), (19960, 600124), (21433, 558880), (27944, 428660), (34930, 342928), (39920, 300062), (42866, 279440), (55888, 214330), (69860, 171464), (79840, 150031), (85732, 139720), (107165, 111776)]